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/**
* @file lltextbox.cpp
* @brief A text display widget
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "lltextbox.h"
#include "lluictrlfactory.h"
#include "llfocusmgr.h"
#include "llwindow.h"
#include "llurlregistry.h"
#include "llstyle.h"
static LLDefaultChildRegistry::Register<LLTextBox> r("text");
LLTextBox::LLTextBox(const LLTextBox::Params& p)
: LLTextBase(p),
mClickedCallback(NULL)
{}
BOOL LLTextBox::handleMouseDown(S32 x, S32 y, MASK mask)
{
BOOL handled = FALSE;
// HACK: Only do this if there actually is something to click, so that
// overly large text boxes in the older UI won't start eating clicks.
if (isClickable())
{
handled = TRUE;
// Route future Mouse messages here preemptively. (Release on mouse up.)
gFocusMgr.setMouseCapture( this );
if (getSoundFlags() & MOUSE_DOWN)
{
make_ui_sound("UISndClick");
}
}
if (!handled)
{
handled = LLTextBase::handleMouseDown(x, y, mask);
}
return handled;
}
BOOL LLTextBox::handleMouseUp(S32 x, S32 y, MASK mask)
{
BOOL handled = FALSE;
// We only handle the click if the click both started and ended within us
// HACK: Only do this if there actually is something to click, so that
// overly large text boxes in the older UI won't start eating clicks.
if (isClickable() && hasMouseCapture())
{
handled = TRUE;
// Release the mouse
gFocusMgr.setMouseCapture( NULL );
if (getSoundFlags() & MOUSE_UP)
{
make_ui_sound("UISndClickRelease");
}
// handle clicks on Urls in the textbox first
handled = LLTextBase::handleMouseUp(x, y, mask);
// DO THIS AT THE VERY END to allow the button to be destroyed
// as a result of being clicked. If mouseup in the widget,
// it's been clicked
if (mClickedCallback && !handled)
{
mClickedCallback();
}
}
return handled;
}
void LLTextBox::setText(const LLStringExplicit& text)
{
// does string argument insertion
mText.assign(text);
LLTextBase::setText(mText.getString());
}
S32 LLTextBox::getTextPixelWidth()
{
return getContentsRect().getWidth();
}
S32 LLTextBox::getTextPixelHeight()
{
return getContentsRect().getHeight();
}
BOOL LLTextBox::setTextArg( const std::string& key, const LLStringExplicit& text )
{
mText.setArg(key, text);
LLTextBase::setText(mText.getString());
return TRUE;
}
void LLTextBox::reshapeToFitText()
{
reflow();
S32 width = getTextPixelWidth();
S32 height = getTextPixelHeight();
reshape( width + 2 * mHPad, height + 2 * mVPad, FALSE );
}
void LLTextBox::onUrlLabelUpdated(const std::string &url, const std::string &label)
{
needsReflow();
}
bool LLTextBox::isClickable() const
{
// return true if we have been given a click callback
if (mClickedCallback)
{
return true;
}
// also return true if we have a clickable Url in the text
segment_set_t::const_iterator it;
for (it = mSegments.begin(); it != mSegments.end(); ++it)
{
LLTextSegmentPtr segmentp = *it;
if (segmentp)
{
const LLStyleSP style = segmentp->getStyle();
if (style && style->isLink())
{
return true;
}
}
}
// otherwise there is nothing clickable here
return false;
}
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